PragmaTwice commented on code in PR #1841:
URL: https://github.com/apache/kvrocks/pull/1841#discussion_r1379799420
##########
src/types/redis_json.cc:
##########
@@ -201,4 +201,63 @@ rocksdb::Status Json::ArrLen(const std::string &user_key,
const std::string &pat
return rocksdb::Status::OK();
}
+
+rocksdb::Status Json::StrAppend(const std::string &user_key, const std::string
&path, const std::string &value,
+ std::vector<uint64_t> &append_cnt) {
+ auto ns_key = AppendNamespacePrefix(user_key);
+
+ LockGuard guard(storage_->GetLockManager(), ns_key);
+
+ std::string bytes;
+ JsonMetadata metadata;
+ Slice rest;
+ auto s = GetMetadata(kRedisJson, ns_key, &bytes, &metadata, &rest);
+ if (!s.ok()) return s;
+
+ if (metadata.format != JsonStorageFormat::JSON)
+ return rocksdb::Status::NotSupported("JSON storage format not supported");
+
+ auto json_res = JsonValue::FromString(rest.ToStringView());
+ if (!json_res) return rocksdb::Status::Corruption(json_res.Msg());
+ auto json_val = *std::move(json_res);
Review Comment:
Could you use `read` methods instead these code? You can refer to other
method for how to use `read`.
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